1 Subjects: “...drought...”

2 Subjects: “...drought-tolerant-yield...”

3 Subjects: “...drought tolerance...”

4 Subjects: “...drought frequency...”

5 Subjects: “...crop physiological response to drought scenarios...”

6 Subjects: “...drought stress...”

7 Subjects: “...heat and drought stresses...”

8 Subjects: “...drought tolerance...”

9 Subjects: “...drought stress...”

10 Subjects: “...drought stress...”

11 Subjects: “...drought...”

12 Subjects: “...drought-prone low lands...”

13 Subjects: “...drought tolerance...”